Tropical savanna climates have monthly mean temperature above 18°C (64°F) in every month of the year and typically a pronounced dry season, with the driest month having precipitation less than 60mm (2.36 in) of precipitation. In essence, a tropical savanna climate tends to either see less rainfall than a tropical monsoon climate or have more pronounced dry seasons than a tropical monsoon climate. Tropical savanna climates are most commonly found in Africa, Asia and South America. The climate is also prevalent in sections of Central America, northern Australia and North America, specifically in sections of Mexico and the state of Florida in the United States.

The Köppen Climate Classification subtype for this climate is "As". (Tropical Savanna Climate).

The average temperature for the year in Puamana Park is 73.9°F (23.3°C). The warmest month, on average, is August with an average temperature of 76.3°F (24.6°C). The coolest month on average is January, with an average temperature of 71.4°F (21.9°C).

The highest recorded temperature in Puamana Park is 86.7°F (30.4°C), which was recorded in September. The lowest recorded temperature in Puamana Park is 61.0°F (16.1°C), which was recorded in January.

The average amount of precipitation for the year in Puamana Park is 126.3" (3208 mm). The month with the most precipitation on average is November with 15.6" (396.2 mm) of precipitation. The month with the least precipitation on average is June with an average of 7.4" (188 mm). There are an average of 33.0 days of precipitation, with the most precipitation occurring in December with 6.0 days and the least precipitation occurring in September with 0.0 days.